local kube = import "../../../kube/kube.libsonnet";

{
    local wow = self,
    local cfg = wow.cfg,
    local ns = wow.ns,
    cfg:: {
        namespace: error "namespace must be set",
        prefix: "",
        images: {
            acore: "registry.k0.hswaw.net/q3k/azerothcore-wowtlk:1606950998",
            panel: "registry.k0.hswaw.net/q3k/panel:1607033741-f18a531f9b84c5b33653c8db5d64aaa0af337541",
        },
        db: {
            local mkConfig = function(name) {
                host: error ("db.%s.host must be set" % [name]),
                port: error ("db.%s.prt must be set" % [name]),
                user: error ("db.%s.user must be set" % [name]),
                password: error ("db.%s.password must be set" % [name]),
                database: "acore_%s" % [name],
            },
            auth: mkConfig("auth"),
            world: mkConfig("world"),
            characters: mkConfig("characters"),
        },
        panel: {
            domain: error "panel.domain must be set",
            soap: {
                username: error "panel.soap.username must be set",
                password: error "panel.soap.password must be set",
            },
            secret: error "panel.secret must be set",
            oauth: {
                clientID: error "panel.oauth.clientID must set",
                clientSecret: error "panel.oauth.clientSecret must set",
                redirectURL:  "https://%s/callback" % [cfg.panel.domain],
            },
            motd: "",
        },
        overrides: {
            authserver: {},
            worldserver: {},
            ahbot: {},
        },
    },

    ns: kube.Namespace(cfg.namespace),

    data: ns.Contain(kube.PersistentVolumeClaim(cfg.prefix + "data")) {
        spec+: {
            storageClassName: "waw-hdd-redundant-3",
            accessModes: ["ReadWriteOnce"],
            resources: {
                requests: {
                    storage: "50Gi",
                },
            },
        },
    },

    // Make a *DatabaseInfo string for use by acore config. These are not any real
    // standardized DSN format, just some semicolon-delimited proprietary format.
    local mkDbString = function(config) (
        "%s;%d;%s;%s;%s" % [
            config.host,
            config.port,
            config.user,
            config.password,
            config.database,
        ]
    ),

    etc: ns.Contain(kube.Secret(cfg.prefix + "etc")) {
        data: {
            "worldserver.conf": std.base64(std.manifestIni({
                sections: {
                    worldserver: {
                        RealmID: 1,
                        DataDir: "/data/current",
                        LoginDatabaseInfo: mkDbString(cfg.db.auth),
                        WorldDatabaseInfo: mkDbString(cfg.db.world),
                        CharacterDatabaseInfo: mkDbString(cfg.db.characters),
                        LogLevel: 2,

                        "Console.Enable": 0,
                        "Ra.Enable": 1,
                        "Ra.IP": "127.0.0.1",
                        "SOAP.Enabled": 1,
                        "SOAP.IP": "0.0.0.0",

                    } + cfg.overrides.worldserver,

                },
            })),
            "mod_ahbot.conf": std.base64(std.manifestIni({
                sections: {
                    worldserver: cfg.overrides.ahbot,
                },
            })),
            "authserver.conf": std.base64(std.manifestIni({
                sections: {
                    authserver: {
                        LoginDatabaseInfo: mkDbString(cfg.db.auth),
                    } + cfg.overrides.authserver,
                },
            })),
        },
    },

    worldserverDeploy: ns.Contain(kube.Deployment(cfg.prefix + "worldserver")) {
        spec+: {
            template+: {
                spec+: {
                    containers_: {
                        default: kube.Container("default") {
                            image: cfg.images.acore,
                            volumeMounts: [
                                { name: "data", mountPath: "/data" },
                                { name: "etc", mountPath: "/azeroth-server/etc/worldserver.conf", subPath: "worldserver.conf", },
                                { name: "etc", mountPath: "/azeroth-server/etc/mod_ahbot.conf", subPath: "mod_ahbot.conf", },
                            ],
                            command: [
                                "/entrypoint.sh",
                                "/azeroth-server/bin/worldserver",
                            ],
                        },
                    },
                    securityContext: {
                        runAsUser: 999,
                        runAsGroup: 999,
                        fsGroup: 999,
                    },
                    volumes_: {
                        data: kube.PersistentVolumeClaimVolume(wow.data),
                        etc: kube.SecretVolume(wow.etc),
                    },
                },
            },
        },
    },

    authserverDeploy: ns.Contain(kube.Deployment(cfg.prefix + "authserver")) {
        spec+: {
            template+: {
                spec+: {
                    containers_: {
                        default: kube.Container("default") {
                            image: cfg.images.acore,
                            volumeMounts_: {
                                etc: { mountPath: "/azeroth-server/etc/authserver.conf", subPath: "authserver.conf", },
                            },
                            command: [
                                "/azeroth-server/bin/authserver",
                            ],
                        },
                    },
                    securityContext: {
                        runAsUser: 999,
                        runAsGroup: 999,
                    },
                    volumes_: {
                        etc: kube.SecretVolume(wow.etc),
                    },
                },
            },
        },
    },
    
    soapSvc: ns.Contain(kube.Service(cfg.prefix + "worldserver-soap")) {
        target_pod:: wow.worldserverDeploy.spec.template,
        spec+: {
            ports: [
                { name: "soap", port: 7878, targetPort: 7878, protocol: "TCP" },
            ],
        },
    },
    worldserverSvc: ns.Contain(kube.Service(cfg.prefix + "worldserver")) {
        target_pod:: wow.worldserverDeploy.spec.template,
        metadata+: {
            annotations+: {
                "metallb.universe.tf/allow-shared-ip": "%s/%ssvc" % [cfg.namespace, cfg.prefix],
            },
        },
        spec+: {
            ports: [
                { name: "worldserver", port: 8085, targetPort: 8085, protocol: "TCP" },
            ],
            type: "LoadBalancer",
            externalTrafficPolicy: "Cluster",
            loadBalancerIP: cfg.address,
        },
    },
    authserverSvc: ns.Contain(kube.Service(cfg.prefix + "authserver")) {
        target_pod:: wow.authserverDeploy.spec.template,
        metadata+: {
            annotations+: {
                "metallb.universe.tf/allow-shared-ip": "%s/%ssvc" % [cfg.namespace, cfg.prefix],
            },
        },
        spec+: {
            ports: [
                { name: "authserver", port: 3724, targetPort: 3724, protocol: "TCP" },
            ],
            type: "LoadBalancer",
            externalTrafficPolicy: "Cluster",
            loadBalancerIP: cfg.address,
        },
    },

    panelSecret: ns.Contain(kube.Secret(cfg.prefix + "panel-secret")) {
        data+: {
            soapPassword: std.base64(cfg.panel.soap.password),
            secret: std.base64(cfg.panel.secret),
            oauthSecret: std.base64(cfg.panel.oauth.clientSecret),
            "motd.txt": std.base64(cfg.panel.motd),
        },
    },
    panelData: ns.Contain(kube.PersistentVolumeClaim(cfg.prefix + "panel-data")) {
        spec+: {
            storageClassName: "waw-hdd-redundant-3",
            accessModes: ["ReadWriteOnce"],
            resources: {
                requests: {
                    storage: "128Mi",
                },
            },
        },
    },
    panelDeploy: ns.Contain(kube.Deployment(cfg.prefix + "panel")) {
        spec+: {
            template+: {
                spec+: {
                    containers_: {
                        default: kube.Container("default") {
                            image: cfg.images.panel,
                            env_: {
                                SOAP_PASSWORD: kube.SecretKeyRef(wow.panelSecret, "soapPassword"),
                                SECRET: kube.SecretKeyRef(wow.panelSecret, "secret"),
                                OAUTH_SECRET: kube.SecretKeyRef(wow.panelSecret, "oauthSecret"),
                            },
                            command: [
                                "/personal/q3k/wow/panel/panel",
                                "-listen", "0.0.0.0:8080",
                                "-db", "/data/panel.db",
                                "-soap_address", "http://%s" % [wow.soapSvc.host_colon_port],
                                "-soap_password", "$(SOAP_PASSWORD)",
                                "-secret", "$(SECRET)",
                                "-oauth_client_id", cfg.panel.oauth.clientID, 
                                "-oauth_client_secret", "$(OAUTH_SECRET)",
                                "-oauth_redirect_url", cfg.panel.oauth.redirectURL,
                                "-motd", "/secret/motd.txt",
                            ],
                            volumeMounts_: {
                                data: { mountPath: "/data" },
                                secret: { mountPath: "/secret" },
                            },
                        },
                    },
                    volumes_: {
                        data: kube.PersistentVolumeClaimVolume(wow.panelData),
                        secret: kube.SecretVolume(wow.panelSecret),
                    },
                },
            },
        },
    },
    panelSvc: ns.Contain(kube.Service(cfg.prefix + "panel")) {
        target_pod:: wow.panelDeploy.spec.template,
        spec+: {
            ports: [
                { name: "web", port: 8080, targetPort: 8080, protocol: "TCP" },
            ],
        },
    },
    panelIngress: ns.Contain(kube.Ingress(cfg.prefix + "panel")) {
        metadata+: {
            annotations+: {
                "kubernetes.io/tls-acme": "true",
                "certmanager.k8s.io/cluster-issuer": "letsencrypt-prod",
            },
        },
        spec+: {
            tls: [
                {
                    hosts: [cfg.panel.domain],
                    secretName: cfg.prefix + "panel-tls",
                },
            ],
            rules: [
                {
                    host: cfg.panel.domain,
                    http: {
                        paths: [
                            { path: "/", backend: wow.panelSvc.name_port },
                        ],
                    },
                }
            ],
        },
    },
}